| No. | Item | Definition |
|---|---|---|
| 1. | able-bodied | physically strong and capable |
| 2. | adamant | firm and unyielding |
| 3. | all-weather | suited to all weather |
| 4. | athletic | physically strong and active |
| 5. | battle-hardened | toughened by difficult experience |
| 6. | beefy | big, strong, and muscular |
| 7. | brawny | physically strong and muscular |
| 8. | built to last | made to endure long use |
| 9. | burly | large, strong, and heavy |
| 10. | cold-resistant | able to withstand cold |
| 11. | dauntless | not easily frightened or discouraged |
| 12. | dependable | reliable and steady under strain |
| 13. | determined | firmly resolved and persistent |
| 14. | disease-resistant | resistant to disease |
| 15. | dogged | stubbornly persistent |
| 16. | doughty | brave, strong, and determined |
| 17. | drought-tolerant | able to survive dry conditions |
| 18. | durable | lasting and hard-wearing |
| 19. | enduring | lasting and able to continue |
| 20. | energetic | full of energy |
| 21. | equal to it | capable of handling it |
| 22. | farm-tough | strong in rough conditions |
| 23. | field-tough | tough in outdoor conditions |
| 24. | fighting fit | very healthy and strong |
| 25. | firm | solid and not weak |
| 26. | fit | healthy and physically strong |
| 27. | formidable | impressively strong or powerful |
| 28. | frost-resistant | able to survive frost |
| 29. | game | willing to face difficulty |
| 30. | gritty | showing courage and toughness |
| 31. | hale | healthy and strong, especially older |
| 32. | hard-bitten | toughened by harsh experience |
| 33. | hard-nosed | tough and unsentimental |
| 34. | hardened | made tough by hardship |
| 35. | hardwearing | resistant to wear and damage |
| 36. | healthy | in good physical condition |
| 37. | hearty | strong, healthy, and energetic |
| 38. | husky | strong, sturdy, and robust |
| 39. | impervious | not affected by something |
| 40. | in fine fettle | in very good condition |
| 41. | in good shape | healthy and strong |
| 42. | indestructible | unable to be destroyed |
| 43. | indomitable | impossible to defeat or discourage |
| 44. | inflexible | not bending or changing easily |
| 45. | invulnerable | not easily harmed or defeated |
| 46. | iron | very strong and unyielding |
| 47. | long-lasting | lasting a long time |
| 48. | lusty | healthy, strong, and energetic |
| 49. | made of iron | extremely strong and tough |
| 50. | mettlesome | full of spirit and courage |
| 51. | muscular | having strong developed muscles |
| 52. | persistent | continuing despite difficulty |
| 53. | pest-resistant | resistant to pests |
| 54. | potent | powerful and effective |
| 55. | powerful | having great strength or force |
| 56. | proof | resistant to a specified thing |
| 57. | redoubtable | formidable and hard to overcome |
| 58. | relentless | continuing without giving up |
| 59. | reliable | consistently good and trustworthy |
| 60. | resilient | quick to recover or endure |
| 61. | resistant | able to withstand harm |
| 62. | resolute | firmly determined |
| 63. | robust | strong and healthy |
| 64. | rough-and-ready | practical and tough |
| 65. | rugged | strong and able to withstand |
| 66. | seasoned | made tough by experience |
| 67. | sinewy | lean, strong, and tough |
| 68. | solid | firm, strong, and reliable |
| 69. | sound | healthy and in good condition |
| 70. | stalwart | loyal, brave, and dependable |
| 71. | steely | hard, strong, and determined |
| 72. | stocky | solidly built and sturdy |
| 73. | stout | strong and thickset |
| 74. | strong | physically powerful or solid |
| 75. | sturdy | strongly built and dependable |
| 76. | tenacious | persistent and hard to defeat |
| 77. | tested | proved strong through trials |
| 78. | thick-skinned | not easily upset or hurt |
| 79. | tireless | able to keep working long |
| 80. | tough | able to endure hardship |
| 81. | trim | fit and in good condition |
| 82. | unbeaten | not defeated |
| 83. | unbowed | not defeated or humbled |
| 84. | unbreakable | not able to be broken |
| 85. | undaunted | not discouraged by difficulty |
| 86. | undeterred | not prevented by obstacles |
| 87. | unfaltering | not weakening or hesitating |
| 88. | unflinching | not shrinking from difficulty |
| 89. | unshakable | not easily disturbed or weakened |
| 90. | untiring | not becoming tired |
| 91. | unyielding | not giving way under pressure |
| 92. | vigorous | full of strength and energy |
| 93. | wearproof | resistant to wear |
| 94. | weather-resistant | able to resist weather |
| 95. | weathered | toughened by exposure and time |
| 96. | weatherproof | able to resist bad weather |
| 97. | well-built | strongly and solidly made |
| 98. | well-conditioned | in strong physical condition |
| 99. | wiry | lean but strong and tough |
| 100. | workmanlike | solid and practical |